#!/bin/sh

test_description='pulling into void'

. ./test-lib.sh

D=`pwd`

test_expect_success setup '

	echo file >file &&
	git add file &&
	git commit -a -m original

'

test_expect_success 'pulling into void' '
	mkdir cloned &&
	cd cloned &&
	git init &&
	git pull ..
'

cd "$D"

test_expect_success 'checking the results' '
	test -f file &&
	test -f cloned/file &&
	diff file cloned/file
'

test_expect_success 'pulling into void using master:master' '
	mkdir cloned-uho &&
	(
		cd cloned-uho &&
		git init &&
		git pull .. master:master
	) &&
	test -f file &&
	test -f cloned-uho/file &&
	test_cmp file cloned-uho/file
'

test_expect_success 'test . as a remote' '

	git branch copy master &&
	git config branch.copy.remote . &&
	git config branch.copy.merge refs/heads/master &&
	echo updated >file &&
	git commit -a -m updated &&
	git checkout copy &&
	test `cat file` = file &&
	git pull &&
	test `cat file` = updated
'

test_expect_success 'the default remote . should not break explicit pull' '
	git checkout -b second master^ &&
	echo modified >file &&
	git commit -a -m modified &&
	git checkout copy &&
	git reset --hard HEAD^ &&
	test `cat file` = file &&
	git pull . second &&
	test `cat file` = modified
'

test_expect_success '--rebase' '
	git branch to-rebase &&
	echo modified again > file &&
	git commit -m file file &&
	git checkout to-rebase &&
	echo new > file2 &&
	git add file2 &&
	git commit -m "new file" &&
	git tag before-rebase &&
	git pull --rebase . copy &&
	test $(git rev-parse HEAD^) = $(git rev-parse copy) &&
	test new = $(git show HEAD:file2)
'

test_expect_success 'branch.to-rebase.rebase' '
	git reset --hard before-rebase &&
	git config branch.to-rebase.rebase 1 &&
	git pull . copy &&
	git config branch.to-rebase.rebase 0 &&
	test $(git rev-parse HEAD^) = $(git rev-parse copy) &&
	test new = $(git show HEAD:file2)
'

test_expect_success '--rebase with rebased upstream' '

	git remote add -f me . &&
	git checkout copy &&
	git tag copy-orig &&
	git reset --hard HEAD^ &&
	echo conflicting modification > file &&
	git commit -m conflict file &&
	git checkout to-rebase &&
	echo file > file2 &&
	git commit -m to-rebase file2 &&
	git tag to-rebase-orig &&
	git pull --rebase me copy &&
	test "conflicting modification" = "$(cat file)" &&
	test file = $(cat file2)

'

test_expect_success '--rebase with rebased default upstream' '

	git update-ref refs/remotes/me/copy copy-orig &&
	git checkout --track -b to-rebase2 me/copy &&
	git reset --hard to-rebase-orig &&
	git pull --rebase &&
	test "conflicting modification" = "$(cat file)" &&
	test file = $(cat file2)

'

test_expect_success 'rebased upstream + fetch + pull --rebase' '

	git update-ref refs/remotes/me/copy copy-orig &&
	git reset --hard to-rebase-orig &&
	git checkout --track -b to-rebase3 me/copy &&
	git reset --hard to-rebase-orig &&
	git fetch &&
	git pull --rebase &&
	test "conflicting modification" = "$(cat file)" &&
	test file = "$(cat file2)"

'

test_expect_success 'pull --rebase dies early with dirty working directory' '

	git checkout to-rebase &&
	git update-ref refs/remotes/me/copy copy^ &&
	COPY=$(git rev-parse --verify me/copy) &&
	git rebase --onto $COPY copy &&
	git config branch.to-rebase.remote me &&
	git config branch.to-rebase.merge refs/heads/copy &&
	git config branch.to-rebase.rebase true &&
	echo dirty >> file &&
	git add file &&
	test_must_fail git pull &&
	test $COPY = $(git rev-parse --verify me/copy) &&
	git checkout HEAD -- file &&
	git pull &&
	test $COPY != $(git rev-parse --verify me/copy)

'

test_expect_success 'pull --rebase works on branch yet to be born' '
	git rev-parse master >expect &&
	mkdir empty_repo &&
	(cd empty_repo &&
	 git init &&
	 git pull --rebase .. master &&
	 git rev-parse HEAD >../actual
	) &&
	test_cmp expect actual
'

test_done